[StoreIC] Use StoreIC_Uninitialized for 0->PRE transitions

src/ic/keyed-store-generic.h

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_SRC_IC_KEYED_STORE_GENERIC_H_
 #define V8_SRC_IC_KEYED_STORE_GENERIC_H_
 
 #include "src/globals.h"
 
 namespace v8 {
 namespace internal {
 
 namespace compiler {
 class CodeAssemblerState;
 }
 
 class KeyedStoreGenericGenerator {
  public:
   static void Generate(compiler::CodeAssemblerState* state,
                        LanguageMode language_mode);
 };
 
+class StoreICUninitializedGenerator {
+ public:
+  static void Generate(compiler::CodeAssemblerState* state,
+                       LanguageMode language_mode);
+};
+
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_SRC_IC_KEYED_STORE_GENERIC_H_